Los Angeles also signed a nine-man practice squad including receiver Paul McRoberts, fullback Sam Rogers, defensive back Isaiah Johnson, linebacker Cassanova McKinzy and tight end Travis Wilson, who was a quarterback at Utah.

Jefferson was a fifth-round pick by Seattle last year, appearing in three games before incurring a season-ending knee injury.

Dielman was a fifth-round pick by Cincinnati this year. He was a three-year starter at Utah, including two seasons as a right tackle.

Neary was on Philadelphia's practice squad last season. He played at Eastern Washington, where he was a teammate of Rams rookie receiver Cooper Kupp.